{
  "manageEntity": {
    "action": "Repost",
    "entityId": "474813828",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0cae6b0b57b8fc393309a0356ddb22db4b748cdfc070db0406268a76736ef403",
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    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}