{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578673",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfc657793f8dd5a725d1452bb2a9316f0307d625082f048ceceb183ac88c176fd",
    "signature": "0x42308bcb8758123d0cabfd8c3624a90bc8327f3c90fbf7a9b79a5742b4db847e565f9db8c9e32b87b2a31c2df664a6decaa4283fd3826e1c94be04a739184cdb1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}