{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1340438921",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x06d26130fc77635d33b23c198f9c28b4393f52c4523c9326226daeb31b29ca90",
    "signature": "0x91ca59faf2f8bb168f2baed746fce5dfac0cab65190dddefebe4cc3f1f2c9e451d5236ff222526f4ed81e6136cbf482ebef2de9d9bc0c32c7b80e7d87f7e7a601b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}