{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48989",
    "entityType": "User",
    "nonce": "0x6bd7fa5073d2191478f80047e24796e6bc6329d9057765b59ac712affc2d7fc4",
    "signature": "0xc83d369c0de574fa5193508c20af6a45f0af688ed556ffd2b46ff43e474a96136a6d75ce5c312aec9522872a01cf1778c026831a038a18cb359256fc5b0a498e1c",
    "signer": "0xCf51c0CB439FF3aED8c04d4676b43572a8F8FB93",
    "userId": "763179319"
  }
}