{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb5b11313086fa5e05a3f58003d7c8bc3af653964c398e6aa5c8d6ee3a3ebdd9c",
    "signature": "0xcca938a31b51f4a806f9af0dbb8e78d7083d77327d0ec2b3ce07bf6638c216ac59ffd76bce9d96bbcdf33ccdb99385f253627035c344ad16dd9ba33e374bde651c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}