{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54246",
    "entityType": "User",
    "nonce": "0xbc3bec599051eeff0d8c4335355cbff9a061068649548f390e1474a842f32e81",
    "signature": "0x9f1d4c4fcc6f8b4d05ba709154bc522a3a1f2de98f2fe6e415bc9d3721b85f677cf94ad3117bb2aebcbefa3394096b8c23beda8adecd9cd31144d3d011188f7c1c",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}