{
  "manageEntity": {
    "action": "Update",
    "entityId": "961782058",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbb2591f7c7256da86300bd16fe87e4795bd0e33f3871849e170a94241100357e",
    "signature": "0xe2c29ceec56ae9bc816b3ca931cfc0c271bc8c6d92fe1b8c63a4db113c6a9ed61d9ea6d144310a06587590d508043341d449b748b2f7fecd61054893d9da7ede1c",
    "signer": "0x7D11D94dbF8f8b51A24EC64B1FECb91Be6b09E2b",
    "userId": "961782058"
  }
}