{
  "manageEntity": {
    "action": "Save",
    "entityId": "183427956",
    "entityType": "Track",
    "nonce": "0x6e16f03d65795873eec139af9f5a1a3bc885c11c2798e24339f3e21edcbce7a3",
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    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
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  }
}