{
  "manageEntity": {
    "action": "Repost",
    "entityId": "663221372",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xac9eaf80c3c7dc97a62524dbc1a41e58a9c3648ef267ac8755ab11b71ceebd14",
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    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}