{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1714556",
    "entityType": "User",
    "nonce": "0xc61bdef0c4280cbf664d79ce2c7638f95cd12573473723be40488eb4b186dce0",
    "signature": "0x8bff14058e57b4350221ffe874fd4d3ce98fd9bd249c59a6ef13c92f94feb095748faeed8f4017d640c77f922dc14f3c2e0fc6cfb46a08ee48dbb35e351f3ca61b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}