{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648741",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9cd2c5ffedbb7f2039c741c1fce41dc57b56cd403d76f57863cd21e2a4e69642",
    "signature": "0x95acf2c396cc6e676f9c40d7ed62de0e4234404c8ad3662320808131c7461e2e7e2421cc87ad390698cda205434fb1c8c8ff4224cc8ecc67e0639615a47ea6151b",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}