{
  "manageEntity": {
    "action": "Repost",
    "entityId": "390074452",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3ac4d97e410d1ea1a19f7355bff42d04bffa9e490dd72ee529bd6fca89fb66d5",
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    "signer": "0xC6b9005ca9F7522F39eF22242eA15410A21DfB9A",
    "userId": "390992303"
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}