{
  "manageEntity": {
    "action": "Repost",
    "entityId": "673619",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xccd0f65f2d3d2f91f8b6d39ecfe545d3568234d3369cfb6ff2b6b2f4220d5a07",
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    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}