{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754254460",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2b8ef14dae362084f1bd07726e933e5e9b0f8cab9c8d1c202237b13d81414e28",
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    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}