{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1364391725",
    "entityType": "Track",
    "nonce": "0xb7a4ab5ebd23761cd08428f42ebfa60ca68f8a97ffb0b4cc5cd1a3301aa659a2",
    "signature": "0x62478e850d597a6c60fd847fb2e0fa650129789d6db573d23e582f6020432e17196355f1f197b81c358c174628ba5ce09dcf47f669c52baa50098126f1100ac81c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}