{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753204983",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x08da6f70c0945bb6496aca28a6b21e57d84ba390a05408045fcee29c7613d712",
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    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}