{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "41763",
    "entityType": "Track",
    "nonce": "0x75ca1558608efe9ca7c34f89ad07d921d85edb1655a6767de4cec0b1e375230c",
    "signature": "0x8ba62940e4061fa3326ba31239fa0c6f69a92dc7a660f4de44a174fa2855920258dd6f451c7269ae956dec3c61d8891f6e769d14a8465f09b8aa0ab20a443f531c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}