{
  "manageEntity": {
    "action": "Repost",
    "entityId": "400040188",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfec8d194915dbf3c39bbddc02b0ef772436610021a4a4fada4d8bfa7fa557a01",
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    "signer": "0xc2Bc01b734bdA56bD8c24B5C4353C6827325d999",
    "userId": "528478879"
  }
}