{
  "manageEntity": {
    "action": "Save",
    "entityId": "9322317",
    "entityType": "Track",
    "nonce": "0x551b06b5968e284ed7d9a57bd99835e1351468f15ee5ac615bf0ecc5dd2a6127",
    "signature": "0x09286d78a95e57510221809937c6a21f859339b5bd4adeaec68599b42c5595df002ddddd85d9077d60d3cf809d9672d18e6a7acb665aaa680b38e41f032aa4851c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}