{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7a223e0bfb9a374536a1c9b73076db1d387cdfbfc74c04dae5fda25e0999ac5d",
    "signature": "0x87489500bc0c87fd3a6c31000188d1e3f9e6ab33ba9f9a28aace64f265daf78644917e9306a82534483a8b3ea931f3f2c6b5bf54f5c881b9bef6a94f60f7ca6d1c",
    "signer": "0x32A08CA6cD7d2d08c42C6dcACD2f100F7C4b2dC4",
    "userId": "63388996"
  }
}