{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "480262262",
    "entityType": "User",
    "nonce": "0xe4aee998b816f35416ee51f78bfe20c408f777d40292a795b9c1ac9c523012da",
    "signature": "0xf37b55b2042e122424d5ff71664a46c3615e0e20684c6f6fb8a8050a61f247a618528e5c1035a688b63e02dd30db4b9201ab8ed31e700c5ca00f73dd89a4cb341c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}