{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x5d560e05fd9485d7585d5b9871073dfc9b51f1359d7f92cc11b5e321207f8206",
    "signature": "0x4ffb06ebf705c458d85334fe070a43b50ec1a58d845946b1137e33394a14206c47de00520ba164c6bbd26ea171d95e4f10b169a0541afc7bc67e6c6a42fe7bee1c",
    "signer": "0xEb46235f2D356C5a5BF3F4265bf6941D4B31e6A6",
    "userId": "984045925"
  }
}