{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x5ae1cd1397907147857ee50d9a989fd69b4ef0da0c8960685b256b8abe4e6e7a",
    "signature": "0xc221f66140bd2a738f622d6665e6c9518fd01f87aee9acf6cdcdd27a5bbc4fd413968e5c6ceae0c84c9c71e7ffc7e7f86e3154bd48800a34d285fd0d257e27c91c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}