{
  "manageEntity": {
    "action": "Repost",
    "entityId": "378610907",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1ca2fbbe199a1f5c738b6f701535c010d0e5c537cec8f3b2764d7c12ab7bc76b",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}