{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x9d155ccf44702abfdff6457f3975bead5d3d33098be84ef7f36a75a4588a1a71",
    "signature": "0x18e3c4a1c0509dbbbbe801d09100ebefb272890f9175973594af27b16d2cddcc7b2fd47c72653057278f8b57d0d93aff8677ab3b518337f08f61a544cfb0df9c1c",
    "signer": "0x463AF5DceC1E63282Db0db09E4a851E9E3711eDD",
    "userId": "232877"
  }
}