{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1712265579",
    "entityType": "Track",
    "nonce": "0x2a90a47e022bc4bd9be293905e505171b3bc64a0f2347521211dfd93feeef083",
    "signature": "0x710bc990a9861ce6d20e35a05bc0235bd2977c4701acfbdbce71283b33f835df1f319374537e03588b0b0c07b57753f195b4e2a8beb8eb1550b8c40b1ddfae711c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}