{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399510076",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x978c8a3cf3ef6da620745cde75291a8f58c96b525035c10a4312f6bef2fe2d1a",
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}