{
  "manageEntity": {
    "action": "Save",
    "entityId": "1461396807",
    "entityType": "Track",
    "nonce": "0xd2f563949f15ad0805c2d978c6404de1ade8e2e05d622f17071cfe1fd6d4541b",
    "signature": "0x00fde618e1549639c542e75e37e5b124de65a89ad42be9e4e790aaccd513269e56f68af794ad69c7a77d6669762a2396cf9af4744c0582e55e0280466d4d1e521b",
    "signer": "0x36FE3d24284981316dB1bd72F676C29F45F0C339",
    "userId": "73554182"
  }
}