{
  "manageEntity": {
    "action": "Save",
    "entityId": "86709",
    "entityType": "Track",
    "nonce": "0xdced193eb317a5685e287caa9d3ca95a0e00096e312129c080fba48d02cb1aae",
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    "signer": "0x061A60900C738C67bcf3F9Cb7Fe8f703DbEc8Ee0",
    "userId": "718327235"
  }
}