{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644626943",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x675e317bfd4be98a5203e4b399316e75652cbb22109e84872d486777fdef3bfd",
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    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}