{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384162461",
    "entityType": "User",
    "nonce": "0x969027a39810cde01bddb1ecbf52f1b9f52e92792180b618f0c006f5c5ed964a",
    "signature": "0xdaebd37f53008e4e0201f63715bd7d780c5489cea0cb6037a559bc578a911218184f6b8d149dfd98927b4f37c9aa18b8994a4a294cfcdbc96ace9d7b2c57be5b1b",
    "signer": "0xa6030211678990225Ac0a6a2862549d825e7A039",
    "userId": "543439291"
  }
}