{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1933912933",
    "entityType": "Track",
    "nonce": "0x03549f6da0e51265b702a915f305ef6d281fd231382c9dc423ec9055535acc35",
    "signature": "0x17bccaf158ce7efe0a14431d39e3d950878e1a4709992af71dd27b90fdb534dc3dbdecb781454a901ba1fa4b47ebdf72511e47e701f98128f22c9c5996235ecc1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}