{
  "manageEntity": {
    "action": "Repost",
    "entityId": "531251774",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f978b696d717f6be55894ab62b6654dc7f59e273a45efad3c50dedf00d55a1c",
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    "signer": "0xcF1BC458908F84936B19Ca8Cf67C751CD647B02b",
    "userId": "310796"
  }
}