{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21209666",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b50b4d5b8eed91b870eaffacba097eef3ac8bf158887c28e90ad12dc0359196",
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    "userId": "290283513"
  }
}