{
  "manageEntity": {
    "action": "Repost",
    "entityId": "853006631",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7520a8d7cd405c1cde687d85315ff35a293f44f51abc099a87d4638ec7fe3c10",
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    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}