{
  "manageEntity": {
    "action": "Save",
    "entityId": "1160673327",
    "entityType": "Track",
    "nonce": "0x1decd82230a642ccbbfec423453d8147d2c4f911a3da3bdec3de3fbc12bef810",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
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}