{
  "manageEntity": {
    "action": "Repost",
    "entityId": "742165798",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5fa0cd1f3d3816d7201fd5b62426851614d489d5f4347da35f7708661cf60134",
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    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}