{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519880600",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaaff9d5b80ee0f7551ea3642971ce3143fbbc4ef6625950c71fc2004665a6f0b",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
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  }
}