{
  "manageEntity": {
    "action": "Repost",
    "entityId": "339576595",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x01fb56dfd533370eb7c808fb22e62d8f63f5315ba301d3c6217d143c1c5c9a2b",
    "signature": "0x6973f81f52b94bdfb0d99bdf1c9e82ca0168934dd51addb34eb3bdacd7c420fc6f32cb3ae38e75481b1f91c8f1b5a43934a57c4ac39a874b24cf2f0448017e791b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}