{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648747",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb692ce97807dbb97a01ea52272301054b2b74e89134ec7a9ded1d8528eab3086",
    "signature": "0x45496ffa356cb121ed6acfa6669300846bab45cb4188a436afd7230566de2b5b0c23ad853661eeaa451ae4edf198e2c93af62cee228a8a85089450b34914e03e1c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}