{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519880600",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x407fbf9665cab777cdf8f2a70fbab9ba4867309aed1c4373078f9c6247d3ca5f",
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    "userId": "475275462"
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}