{
  "manageEntity": {
    "action": "Update",
    "entityId": "84172863",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera33u6c34ayeug2fgo5pcygkasp32qz62hfcgzoj6hcbepon55h5xq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1592185710}]}}}",
    "nonce": "0xe51672dbd8bd5a9438a490cd394bde58da16e62b82b0d1d3492415da5bb80195",
    "signature": "0x177d3b65fc200e83c0d3196ab5ab127046b3c1724f6897ea46b4562def6c8f8d270b4a181c80b3f0c9a7d21cbc6a58082d7c8580694cd717c79c34e3ddab5f251b",
    "signer": "0x7B8870Bb9a687d4cCe91A5Cdca9Dd733740FC73f",
    "userId": "84172863"
  }
}