{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0xb75b325cf2f3618bc45df278d085b212ec2cee66ff0eef116df3296c33b59ce3",
    "signature": "0xdf415f02e44f6af8e88fe7e46d989a0cbed4b534ee250b7bdbbcd327277a7773071f2ac78989927eb357814b2b5095e3cb8a68ebe08f76d5848c8604ffdbbc851b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}