{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603032",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfe0f247d97b8ca9918d47b954a3a57086d4892331be77ff5e0b776b1034d451b",
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    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
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}