{
  "manageEntity": {
    "action": "Repost",
    "entityId": "390297",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe373bccabd0074a6a88da3ce73e6e17618e7ab9338f02b34dba43e8a85ba654b",
    "signature": "0x83460be3aad0e402fa55dd1e3ad50687431a56c8090df6ce09653d220d5a71735659a11f9cb4e18f4e5cf89a2c4f487811730439626844c25a994abe39b3da8c1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}