{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x9e0d59fa7f0f2497d3360332f0c4dc26bd2d54d11944b2c81ca27934db392f09",
    "signature": "0x0d95f654a2bc6966b8a62d0e8685ef1f546c46404e452a9625f22a8e35a8c5fc2e001b03d0bde3c4f139adf0334399617720e9175cb31908ec1207be82698e491b",
    "signer": "0x0c719578497D6a1FD2618b1BB0EA71951D9d5C1c",
    "userId": "253853465"
  }
}