{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "340317079",
    "entityType": "Track",
    "nonce": "0x2bd74a27837e3000102671b9d322c9e13a06c0b33cb40ab4a8015c2b3d783e95",
    "signature": "0xa287b5b97aa497cfc29c83959ddf5360b7b6ebd1af392a36c455f7604a27cfda0e964064ecca50593202f66a7b0721bf3d21a1d333c57b3f9a5166b25f37a83e1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}