{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "261732759",
    "entityType": "Track",
    "nonce": "0x806ca06db79de314e4a38c428c347c817c71dc66b59990091ea7d9befa341c08",
    "signature": "0x5b6ce7ca7f2726ed20b3a3ff917a678dd802932383c28c7efb9f59a28680f2eb68f95486edcb9c2de3ed4da2a98d828b279bc4a471a830aafbe11b6b50f0844f1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}