{
  "manageEntity": {
    "action": "Repost",
    "entityId": "75404",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb5c4a510b25157782146873a656b8c5efbaccce4fb35a3dc79dff87bd54fc4c6",
    "signature": "0x1fcc5d90377cb4302eb01d102a1cd7689c2fa9e7e19b144af01f427d70de10e9461483109099dc43b68fc81f342503ed14758eedace0a49d64c8d85966796a2d1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}