{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "930253648",
    "entityType": "Track",
    "nonce": "0xb53c39239ac83810e2092faa2620b5eee3191a0a9983e3d06e08b032cd83d446",
    "signature": "0x62307a083c520e925575d2f36df93977dd09406e5a23aca7223275adacddc8310ad563fefd9eab44d877a6e1e2d270d852748c3ae6b07c4e132ba3867c58d0061b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}