{
  "manageEntity": {
    "action": "Repost",
    "entityId": "138299",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf3a76fa200cb6b135d5b1792307233f3f79de5a52058b8bf708a406837cff502",
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    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}