{
  "manageEntity": {
    "action": "Save",
    "entityId": "1095628776",
    "entityType": "Track",
    "nonce": "0x82fcf5cccf3cb440ae1e828a14f6b7ca3313e9e02de65482cadfb16baeeba083",
    "signature": "0xe09434281b438593e35cffdcd5a23e162b8eaebbdb097e2eb40c30ce1468ab5140f12683d192d056ba784b4774d3257fa77fdf62c6b5ba4c32019708ee36607f1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}