{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x642c7c4d36f0cb55b411867eb544c191359d4d36380e89c6d3e2179e59c66e30",
    "signature": "0xceda40d90c7eef889e123357ea225992ec8e7fbad6df17c33a0a111bd7c2ae021702c1772e6c6fa6d99b1dcd8fee16364df65ff5a835d18b0799594d54723ffc1b",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}