{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399022908",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe9f0f386a22b4a7a1239df0ebfff8bd288e55e0f53cd35a9c15096a6fc7fa825",
    "signature": "0x53856b6901147cd1fc0a4a12cf64fbd850f453bfc559c8ad464e0a751de4d16b5af5b38572fb7ca5914c9dbaf48d2792da0f61cce67e5168ab77abb47ab283cc1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}