{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1061401",
    "entityType": "Track",
    "nonce": "0x83280803716be2c45eca83f7122ec5a67c9c1ceaf285d820d8e927947eedb1d9",
    "signature": "0x4b8cafe9f646038598d9764420f185f44653ef0ba37584020776db3a300670036f9e8e1050c8c85cc7ecfd7d07ce7bba2c5fb575ef2a257d3ee24346092e89601b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}