{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321938",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3e07d480f57ca28f988f8afb727fe4a732bf07fcdd707eec3701a7374aca7ae4",
    "signature": "0xed39a59be13cc3515ca5a926a3195536437554e4f32bebfafab8a254a4905ecd1cd2d4fb25441fb1afe16fbd5d45cb2fc5d9fd6399d0d46b811152e7b28ec7b31b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}