{
  "manageEntity": {
    "action": "Repost",
    "entityId": "473504298",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x23497751fb63dcc1f06a514004066a87f55e224484063dcc27ba93d208ae2be8",
    "signature": "0x6369a3b536741a43afc66cb4daf518e7b8e03401a148ce2c18207e61b99b01dc458f5ca559fde1aaaa92db34a20ec9d8a48315cec276c1dc88fa2079ddbe04611b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}