{
  "manageEntity": {
    "action": "Save",
    "entityId": "3478",
    "entityType": "Track",
    "nonce": "0x34cfe54d611ff61df68be584a668e1e0d0f23100056e5a7a69fe14b464cc094e",
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    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}