{
  "manageEntity": {
    "action": "Repost",
    "entityId": "478455344",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x28ad96892822f4710030d0761de0d8c57ba1e788f41b85f28069bfd7e666b450",
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    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}