{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513616298",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x154c53782e6f81aeb90e1aaabb2ec084628fd3792605fd98192a0f1ee7b97c1d",
    "signature": "0x2b3bd89d89cc47d0d0f8b6e3a757039b6588b790c2001ae46c54aac649e7224f3577c147610885e3d96376d07144326885b360c47f45cfc3b1e4a83342c33e761c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}