{
  "manageEntity": {
    "action": "Repost",
    "entityId": "615464789",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x677c3ce4dd52a3985e13f94f015b879ed8fe76a478bad5efdd511be4cc27e4fc",
    "signature": "0xef4acf3cb5389bc306f731321e9669971ea896d49c50c6e00127fb002a2a0cc050e1a945e50692b2802970decc17e4a04f0af0973b14f8a2a742cfa8a8ae27a81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}