{
  "manageEntity": {
    "action": "Update",
    "entityId": "246996748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3higpaoxu4ibu6zhvlxdh7yzw67uecfzhjzhhrh6t22mau4c7qoq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":875696631},{\"type\":\"playlist\",\"playlist_id\":1478367643},{\"type\":\"playlist\",\"playlist_id\":37827245}]}}}",
    "nonce": "0xd3fd909e77dce39a9fb5ecd6b1fe152dbd39a762b0b0e658ccd3e32484d77e89",
    "signature": "0x702e0e9167237b350b0cdd648db3e10fb7cbcc6db887fd3dc6b9452d3c8f0a4e01e659f5f7afd3bc45bb93777a38df6375cd9aedd24ba85403a231933428e0e01b",
    "signer": "0x684a9194BeCE3b330c8b863D4C866bF0Cd7dCc6f",
    "userId": "246996748"
  }
}