{
  "manageEntity": {
    "action": "Update",
    "entityId": "242893136",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd4ffbf10a13d1719d3efe779897a1a04bfe0aedf45843d84c3099496cc536121",
    "signature": "0xf5bc90f646c1faa07f058cff54283142803d5e473e8e9bb4eca6229383ad23b0043035f4276353c09b41c06cfe8d29ef9d0db760342cd7756e65371968b8464a1c",
    "signer": "0xAb74269b4Cd5892c97eACCAf5FCb7B0D78d50b35",
    "userId": "242893136"
  }
}