{
  "manageEntity": {
    "action": "Repost",
    "entityId": "2138821456",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe01e525599f35e4b5113c406fe52e982c7d74294a589dd25fbeddb07c6831582",
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    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}