{
  "manageEntity": {
    "action": "Save",
    "entityId": "380006127",
    "entityType": "Track",
    "nonce": "0x47765f679c7b19b6b6ec3bcbd2a0f9f6adbd98467e84344c55b2ace6afa67e4b",
    "signature": "0x7bae24a73c3cc423e2b20240459958c7eec314985b23e5a23d79629a107783d21ababd760a6a4f57baa85845e037593b05f9ed1dd1872b39a84255fd7ba8c0351c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}