{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604923135",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4a60bcc25ff78e75cd0c925df57c4d22ff889c31f955ac197db199ef15b749a",
    "signature": "0x29e8a5828771d081619985d7b22942963e1a077f10e75e2b1f7375ae953c29e2704a4e39b05c52a68d1dcc8388ba7d3e08b1264dbaeac4684bec82e747726ec01b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}