{
  "manageEntity": {
    "action": "Repost",
    "entityId": "671899638",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdbc0d8417c4a3d12b73189263f3250cc7a11835a0b03a708db93489c3352ab7c",
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    "signer": "0xC1896EAF7ae2431A08647A163291b5a8A0cd2a6C",
    "userId": "185209372"
  }
}