{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0xf264c0ebe3928ea1c863b7b082af92a3501d6a66ad8eb155d56e998a36883c3a",
    "signature": "0x059ce644b594528afbb5973c285ddc4a72a04f84b1da01e28337e9ada09ab3c13fd8dcaf4e16b95c35137201ec1819fffbfe4bb79b24ebcbca1f985a80fd41a41c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}