{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0xaed4334a024b2cafc2105ba952327f261457e02086d2b746b2e42aac55d1498e",
    "signature": "0x44b75ad60ed53eb261b52e0ecfa9254b954816f4c4b19d2c7ff214b7386aef9a3d6e615a108c6fde2f1fb4b239283a15155da57b8db13743792a5af51aae965d1c",
    "signer": "0x1265324ffe0Bf92eDa75f4FCCAC01EA54021C352",
    "userId": "115626085"
  }
}