# ChangePubKey

## ChangePubKey encode

| Name         | Rule                                                                                         |
| ------------ | -------------------------------------------------------------------------------------------- |
| type         | 1 byte with value `0x06`                                                                     |
| chainId      | 1 byte                                                                                       |
| accountId    | 4 bytes                                                                                      |
| subAccountId | 1 byte                                                                                       |
| newPkHash    | 20 bytes                                                                                     |
| feeToken     | 2 bytes                                                                                      |
| fee          | 2 bytes, refer to the `fee` pack method in [BigUint pack algorithm](#biguint-pack-algorithm) |
| nonce        | 4 bytes                                                                                      |
| ts           | 4 bytes                                                                                      |

39 bytes in total.

## Example

```json
{
  "type": "ChangePubKey",
  "chainId": 1,
  "accountId": 39,
  "subAccountId": 2,
  "newPkHash": "0xbfb4f4a68dc9e49f7785082a8c12354ed663b6e0",
  "feeToken": 3,
  "fee": "1285000000000000",
  "nonce": 4,
  "signature": {
    "pubKey": "0xed53a138751ed1e456f46e74eff3463d2420e488a4f608bde0f28d13c7104d29",
    "signature": "3b91c0421df4295281596746722ae20ccf270c5fc0561f93a0219db1faea6518f033e778dd552f90a9a6afd06427428b2ac4ea6f6893a3f162b32683d1108a02"
  },
  "ethAuthData": {
    "type": "EthECDSA",
    "ethSignature": "0x8e548e3727a94533b3963877b87966e308e6eef7762f78de567ff14b4e0e87780d37a845501ffd2cdbc7d6f0d620c14589212761f1637ea8214b0b6bac10aa9b1b"
  },
  "ts": 1675650037
}
encode_bytes = [6, 1, 0, 0, 0, 39, 2, 191, 180, 244, 166, 141, 201, 228, 159, 119, 133, 8, 42, 140, 18, 53, 78, 214, 99, 182, 224, 0, 3, 160, 172, 0, 0, 0, 4, 99, 224, 99, 245]
```