{
  "manageEntity": {
    "action": "Repost",
    "entityId": "689489859",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x873471904c145257a705130bc91be413bc9e66e3cd5d031e62bb1b1a888f6aac",
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    "signer": "0xB2A34b43465721B690e6CbCfB42C0cdC30050183",
    "userId": "103086"
  }
}