{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388782",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x795653e4ae419e37fed1332273b02c79d7a93e7900a9e2df93591f436fef0f4f",
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    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}