{
  "manageEntity": {
    "action": "Save",
    "entityId": "1175828303",
    "entityType": "Track",
    "nonce": "0xafcfe77b85043dbf2e16287ce3898986f849d558f916929142e485239863a2fb",
    "signature": "0x41af5e7c6eab06473da40d8555746790925a7add32ba089a3253883c25b0170868402d2be927fd20818b1e5c1625c1ec478d8e0e50311ca14939d45f98c991ef1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}