{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666651313",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78ad3ff7ff49b4a4fb8b20400155e5432f9d4f4222ad3ae0f79ed52f20abb9b9",
    "signature": "0x81f683d26248dce6627074025ad0549bcd961f5f6eb42e532be4e6f91310400b551ae15fee5e1164c11287c923afcd33d24a1207f48187f810de5af78854caa11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}