{
  "manageEntity": {
    "action": "Update",
    "entityId": "680469018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0ddd32ae940b28078cb7896b26fe64d54bd9003777edc667be94c778d3b0b94b",
    "signature": "0xc89d980e999487afa0ce76672c457841e074e0e999a7907860aff49760aa2c6230bfc91a5181b2cf057900d08c6c7643dcec2d85f193a148ab78328d1c9936c91b",
    "signer": "0xF1DB1d78531A8Dda09eCcF66cDDF8494411D3e5e",
    "userId": "680469018"
  }
}