{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454762127",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x29de5c0de38dc246a109d1a72769ca6805a268bbfedfae7c016eb2bba4588218",
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    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}