{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521902290",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xceef15ddc86ca005802a689b147cfd6330e1366f8b3addd5aed346cc2d4d865e",
    "signature": "0x72532b22b7872a18a5100158942efd12ea63f9e597174c26db1fb3ff3a141b955dda2abf59221eabfb4c8d9e791b753f0577d3af0daca008115d7e636d4ab9871c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}