{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854498636",
    "entityType": "User",
    "nonce": "0x01484767f4b90baa30978e926c57182463e22a2c80c398aaeb8111254087fb08",
    "signature": "0x00e5601aee7f4a2fa57294990c10f52267927c948fbc794c6c96b8a4e61e44b12d74de92b2bb1953fd470590cf2dba7efdb3b94d7fa37fc8be28e2395231c5101b",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "2047015"
  }
}