{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639063724",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x625bf092ae2d386859a4787af2456dbc9f74a3b6bb4d0a83695828ba5a786dc8",
    "signature": "0xf97b909d5fc8fc949602e2cd1984921889e0a3f7355f1a384fcf42dcbe9e85224182ba7564931ee2f209730a27cf5e63950febb3dd8575a48e55ceb7cee2940c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}