{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450107296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3c15e6222f1b4b800f443c4371c4e67b22f2d4aeeedf3f04006e6d8fc77a352d",
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    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}