{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1279354458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7289cd0cb3d02a3effa1a4908d82206310a184d250368b91a22f355973f33d8b",
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    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
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}