{
  "manageEntity": {
    "action": "Repost",
    "entityId": "912905402",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6aae0e4521c8cc6700dd1b106d461420146ab444d77638fc30223695dd0d30cd",
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    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}