{
  "manageEntity": {
    "action": "Repost",
    "entityId": "840341833",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd5200814bed0be187bcd6c3ee069f5e1d93d4ac50d6b4ac1c55f974b527c14bb",
    "signature": "0xe58f44365c5232ad1f8c82a8933445670f939eb32eb13abc29fddc5be51ea7ac54199f52c21d2be31522173debc5f3ecec32eddcbbaea5578a511c50173d78181b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}