{
  "manageEntity": {
    "action": "Repost",
    "entityId": "779828",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4b7d9b8aa1888d4b3f0492267c628302c469f84d26669281961d4f3263d9d8b",
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    "userId": "456716469"
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}