{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643414032",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x14a66a6fc9176dcbde89564a94da6e8d9de4d18918c230de2052baad2affd64a",
    "signature": "0x85e24dfc9a8cf3726e20abd582e9e6f5efc80dcbf4b1f8fda129462fa853cfaf0f65531521fdac8f798500af3227e81927bd330a4062ec1b6fe81a645c570ce91b",
    "signer": "0x473784A6Db124b95de277d9A2527561BA95e7133",
    "userId": "957849040"
  }
}