{
  "manageEntity": {
    "action": "Save",
    "entityId": "96109",
    "entityType": "Track",
    "nonce": "0xc2e1c39bbe9015a63e6bf9162785c8ecc444106ef74fe97f6fbc09e5a545c843",
    "signature": "0xd36b3601c62c8c74d918c8dfc0717a8a3bf267d4b62831a17f445e5464502e0d2e2841b059d820291a3383853aa4f38260250f21c46c08879e9afc2585df69ae1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}