{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738538",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcf97491e2b0be3afdb00bf260146533907567d4c6fe569e262dcc1c54977e051",
    "signature": "0xfb8a46868fbf8e67d3c8884b81f496e8b637591489ac59aa4e3ff9d9a435e1da66577b222ac0b850b90cd6184cd685871458d115f6644dcd329b8eae354e28e71c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}