{
  "manageEntity": {
    "action": "Save",
    "entityId": "82316798",
    "entityType": "Track",
    "nonce": "0xebcf39adb15476f669f2ff0e6aa0c400e5a61a4739b3cc3a801eba6421f02ae8",
    "signature": "0x156754cfd70ee0ab73394923aa8929563251a4da1f4bc5d371be00af1a00352f6684c892fe537d40ee21f86bee3decce83f6c062e5483c365fbc001ac93e0b261b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}