{
  "manageEntity": {
    "action": "Repost",
    "entityId": "589216",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6429fd793cb34570153a914b0ec4004f4f058badb76163257cda0cfa27c2a334",
    "signature": "0xf7d0c4bc822dc864dd0cc7692327f356ccfd06250ee68767be0b9557a25a6f57316ca287c6d808d0bfee648a254b6721103ff8674ab448c60ccb2c7d2558676c1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}