{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x3a4d88b68f6206486feec26733f082315d04321ef518bb8d729ed88b7c494e40",
    "signature": "0x69d31ff0e64abf667545621e28f3d9cba8267d53057f5b8cdd0e64c7882aacfb395fc4e16653ff31daebffb831ec9b12232a3fa0a8a6ba5f8672ced26ab721761c",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}