{
  "manageEntity": {
    "action": "Repost",
    "entityId": "576758",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4294458317000a8eeebf015d622d1b92360b396d636dfdb9c40354a71e4ecd1",
    "signature": "0x4d83fcfa59e653e1ee5e0ca965f4974b7ed1e1d284b1bdb108bc0075b26d5a66311893041aadf590dcfad2d36eec1dc005da99dd132369cd9dc0952c093e53e21b",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}