{
  "manageEntity": {
    "action": "Save",
    "entityId": "2060673001",
    "entityType": "Track",
    "nonce": "0x4f2066778ef5d906700ae368523f23a1a6c9070c9cd1210c48490e7988c9cc47",
    "signature": "0xb217f4bd4deefbb138f325256b2ee576fa1acb376a778126f6356692d64362d61df01c440496f97d414d92ca5db157fd956f5adfdfbc95177831ea0a5b26b5461b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}