{
  "manageEntity": {
    "action": "Repost",
    "entityId": "537706239",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x99bcf749e97a318ba7ba11d8fa0501cc3cddcd846571f23da6b102ce76340681",
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    "signer": "0xa8E11aa224d2579f5cbdb912866bCE84Eb10f9dD",
    "userId": "951616224"
  }
}