{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457437440",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb58c31091b50c70a91ead069471bbca3a4ed80f87bb7270db2866200628a86f6",
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    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}