{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x1a5be2e408ba597b4cd0f28eaba28418b32d3a89150acaae096eb3bede730570",
    "signature": "0x47e5befe1d813fe6255732d4dc6b07ea7237aceb6754e641bea88e83fea6ef6f16001025a8eaef1d5ac53c7d68aac903c667387ba4aad5c45d648c29c2f82d831c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}