{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616789142",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8739551fa8a58a383ca5e16ecbbaae84e79b5b6d8cffba808d927b937d502c33",
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    "userId": "456716469"
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}