{
  "manageEntity": {
    "action": "Save",
    "entityId": "1112042",
    "entityType": "Track",
    "nonce": "0x97c0d35f58df2cb372fa172ccd39456be6e1c23079eefa84c54ea71916449c6b",
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    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
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}