{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421522",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c85fe67138f88ffef9a3e3a66dc39856be7b4bba32b6d0b281c2d4196623ea9",
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    "userId": "55290787"
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}