{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1517608681",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9a0be9fb5348706be326e03ac95751688bff34481616f7f3daf21a343d19f177",
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    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
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}