{
  "manageEntity": {
    "action": "Save",
    "entityId": "1796772659",
    "entityType": "Track",
    "nonce": "0xf06785208a99d38624cd3700b00aee73663afec20598f19c469cfac8eb2f1240",
    "signature": "0x08da4f07de30203e1b6204b5a5d6fc05ef5589645de4f9193349c9d966877abb06cea4d3985d5a02ed4efb47d2d71186b2794abf9732d3d7c19aa49e446ae5e61b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}