{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "851552461",
    "entityType": "User",
    "nonce": "0x6577ed51fe5c6747e6cbf8a24f3edea664a5fb98f310e6897d6bee7c79a7cc92",
    "signature": "0x8424223b97d2c80ef29cbdef20782ce0a2ca5b1f99ac733a6eb4371a86c14a2c38892e15cd10d02b39bbb4357326f322db831b9f3d76df8932053d883cfb89c71b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}