{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x72b35c5393e9d32aed50f769c11e4badb7f6e88c9f14bb51d83683481871044f",
    "signature": "0xa0cf98d64e224bbb31f7328793c53ccb455643b64da14a58c784c802486f76c454190023af9f7357094830b8759a569297e2d572a29fd88f81fc3d7850b6b4331c",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}