{
  "manageEntity": {
    "action": "Save",
    "entityId": "2132408686",
    "entityType": "Track",
    "nonce": "0xd5e235d738cb15376929dd5c5cdd87b30775c43d31e128525ad731f5a1e3c539",
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    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
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  }
}