{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1867320170",
    "entityType": "Track",
    "nonce": "0x0abaa4ca04a0f2f1c522293e0a76f82ca9c80e014c66c4607fbe1e8d60b3c4b3",
    "signature": "0xb55bbfe9527907e3975db714478f77cd43e4b23796a8f268cb8df2f0d308b94b7252ab68599d4495b701a731464528bb32cead43baaebd09fc2591e690abb8c41c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}