{
  "manageEntity": {
    "action": "Save",
    "entityId": "1047638",
    "entityType": "Track",
    "nonce": "0xde88204c192d508c14fc22c19370d8a2cea7d26eb9a12ee80a33ce4f3d1acf4d",
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    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
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  }
}