{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x4b982945fd05a0664ef896a0950ea8be1ac88cb6ddb5d2220a53f1ed2e5e1dc8",
    "signature": "0x8c5471ad29026a686d36d407aabb1322e956f05ae3f2ad481b737a837b6c424e2c1f26b59098223e87937f92b0db61fe31829dc760a500a10c4b8547f389d55a1c",
    "signer": "0xDef30Bc85a922d00C0396c9C8b0D233D0654b6f5",
    "userId": "208392258"
  }
}