{
  "manageEntity": {
    "action": "Repost",
    "entityId": "576567",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x61090728fdebdb832f0328cf0d1bc5504a7f053db8939cbf9cd6ca4e4984df25",
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    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
  }
}