{
  "manageEntity": {
    "action": "Repost",
    "entityId": "768359431",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x88d70d33183a157b67f064346adc3b1bb4bd9b6f4dc08c60c33245a7880270bd",
    "signature": "0x75c78abdd67b0488308134af3855631d300095bb34f82c31f44b54ca124b4d176ee5715a85f828be42b2858a0785f121d92d595412e20664de3d0ba0197a38081b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}