{
  "manageEntity": {
    "action": "Save",
    "entityId": "856213022",
    "entityType": "Track",
    "nonce": "0x4e30103df331b4b41a1ddfaeeafd9c62b1216cb8657a6e6369b08e270dcd28f4",
    "signature": "0xa59b564ee5163ef23a1b7817c9e67b675a818609c0ee4174ee2446472a8a6b224ed08e9ce7335095e0d7b423bab91beac38352904da6faeafd8e16f95bb856d51b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}