{
  "manageEntity": {
    "action": "Repost",
    "entityId": "307755554",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a9fe4e281b32848507d77050c27ba9ed693fde37c43e0c8372a2c1218a7c19c",
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    "signer": "0xcF1BC458908F84936B19Ca8Cf67C751CD647B02b",
    "userId": "310796"
  }
}