{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721749",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb2390b01dbf9c7b89cdec8615874ec4b7dfba5768d64e510d9b637c6a9f8eb5e",
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}