{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329747",
    "entityType": "User",
    "nonce": "0xb0bd0b2e6e0f70997cb16048e099cec6c54b807e6b7ab649983520629735dfc6",
    "signature": "0xd49ca2414939b90d952366a1473fdfed10c16e6827e4a574e4d0fd5f62bdc53924b7ecec64f3aa5653c237b803bb6c3ede563b5d1b23d0b9c66fefe5794253571b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}