{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "555663956",
    "entityType": "User",
    "nonce": "0xd76c2291a01e79614e39de84bfd0b2c7fa8d7c3549cf8fafd49657366791a16a",
    "signature": "0x28875cc649cb71aa7e8582bd2a51e23920bf503aa08bdee2452d8a89d3d1d053499a741259253f376f543c0a7bd53e503288d3a0c6afd0dbaff4e07ba4c898f51b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}