{
  "manageEntity": {
    "action": "Repost",
    "entityId": "491968",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4408850b0f38e83ac752f03db8b259173cd49a3ecc76e611b8e79280b29612df",
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    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}