{
  "manageEntity": {
    "action": "Save",
    "entityId": "109058416",
    "entityType": "Track",
    "nonce": "0x31d3693a927433212792fa7a91da597fdcdf15215f7f0ed859d16b9af96efd14",
    "signature": "0xce0704efab735455d8dc94f51ab1988c83607eb5d4e2fd6c7173fb08308403b25f15b98deee0b8d98de147b8644c790692921c595a03a3eee07d819f633e43171b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}