{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "133093",
    "entityType": "Track",
    "nonce": "0xb703d09aa6cc46353e7861e465408cd6cf5ce70be5fe38b0a1272a8f52613cc1",
    "signature": "0x2e2db319b2c0a955c011357cc74c70ce457d14e90401c33c74e9f547a75c5e59075981637ab890c9e5dd6abe048aa5c5af42b8856d017bc457435dc5a69ea54b1c",
    "signer": "0x5A76eaF1A8E613f7381695733D971a4bE9E568E1",
    "userId": "60415"
  }
}