{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1900901343",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7628fb1557858d8f98f07d1f224f8c393004c4534dd30007422ee463bd5fcd99",
    "signature": "0x9af4a7af9e78e80fe1312c63a504ef373911914970cec88bf8fcc1086d7e52a2554e9c3e44f226bd232b662a43992b1c8d905715fa11706c893d064ee99d47551c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}