{
  "manageEntity": {
    "action": "Save",
    "entityId": "1019292966",
    "entityType": "Track",
    "nonce": "0x360b139adbd8ede2644f27a9a87bbeffb11d7e4af46f35cd3ee7addc1ce3d51e",
    "signature": "0x24e6aa1aa6e19ac777b566de04265bd14844e99493a78027934f915887df639a72d37b0c407324adf36f4ce20d7c950a865e14e73fc6525b7ddd4801aed15f2b1b",
    "signer": "0x1a76E65C3D1F53eF48fF4cbdb57D26246F833c86",
    "userId": "94167"
  }
}