{
  "manageEntity": {
    "action": "Save",
    "entityId": "2095028013",
    "entityType": "Track",
    "nonce": "0x7b117817dfb648e5cdd988ac10545f332d3b4fdac63826e5f65c7d0ce1e29bbf",
    "signature": "0x04e7a5467d7b7ae2639eb192265342f9ebb65cc75e0ff18c037ec9c366ba81da3b00dd0b582d58ed7bca70bfa0aebd70b286d327d678e05f513e80a2ac3f297f1b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}