{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x48f71e9779e956695c19725e3dc2c2f544a3b1de30781c1c0f3572fe7788deae",
    "signature": "0x321a77a27d0b802c46fb0ba4889a9eb6b86ccf084cd1d263d218ebb37d36562b5eb6a51c86031e3b24696431b5a27935407c74f2a690bb58e8879f3a184437c81b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}