{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678374618",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x07d8d4d1a8d30e1a13b147150731f13191a33175b934befa31bd9bc97ed7c2ab",
    "signature": "0x0f3ad41bb71dc2d8b939ba028dee46c95b9a403c462a43feafa0fa977f9b5ea92857d8bb27997d53316420e29cf8a1e2ea6ba2658cd9c3d5d513b271d72c8e971b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}