{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545669",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7381886aa728bbda8fe02924b1eab3dc9f1c0db3662484c6b1a822d6aea163e2",
    "signature": "0x39f015b02357ef59920a451ddfe622f0ac1eda2fedee7de6726c6d649c5572ad13e3ced845a8458f97ee7162fe9acbedae73de7b3bcc38dbe4ff462366241b6f1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}