{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0x3a59be630a7dc05b6febad066375cb0d2f5551d84b7b82d254636f1d874a0333",
    "signature": "0xbb635dbd7c1367b5916779946aa18540d921485a6b2cbba21049f286207e3c253c6a2e560db121a9e8b1366861807a1d03b2fae548ce92aa7631a8377a6242fb1c",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}