{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0x5509f0b86c59e8651c6433c416fa7a7f90c1bac82dc84239dc702076717e546e",
    "signature": "0x4c05333724fa6d1b6d32bf46ed0e74f65b51c5382dfb75a4af4ff01782972f271499f3e80c7efe65fdbb4c4b4cbef845ec18070e113a8753a0bfe6488333791b1b",
    "signer": "0xAB601814a3b7DB1149bE0b45154295028AB51f97",
    "userId": "613793033"
  }
}