{
  "manageEntity": {
    "action": "Repost",
    "entityId": "850517938",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78e319d97f924a1064922efae8f262b2e93918fc31528a8c8a14615a37610add",
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    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}