{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499337064",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa6fb60fe5784308d0e4fc9f5316be63417815f1f35ec1586260b1b709d8b1423",
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    "userId": "488430169"
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}