{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "977815577",
    "entityType": "User",
    "nonce": "0xda9dee44fc5500f9066aaff43928e62ff426744695c714581fe1fbe4b5b0d9bb",
    "signature": "0xd332a3a69ea8e07324604a1fd1b4cd34d2fef910303bbd62ecdd72ed8c972f742275437f46d1a74786952ec849ba43a53d3d96c93d3375671849ccd091a5ddcf1b",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}