{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1120084",
    "entityType": "Track",
    "nonce": "0xff73d1b038a1ba2f487e913467d9dadda39565d33434c9d955fce361d46676d4",
    "signature": "0x16f61cda220d72cd89fa3b34eb03e2572eb155e3af192933d19991b7259d80501c6d148e1c527cf9b5c505092d9e17c94320493062b4d743ff8f1f42e79160f01c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}