{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753768545",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x851495ec0a4a98245c62e48de7988a33d22fc0020044189a7a947118b53b2865",
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    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}