{
  "manageEntity": {
    "action": "Repost",
    "entityId": "764594",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd47da6dadaf592a130401b9ff4de88383737f1f300b9e220ba910c72447238c9",
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    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}