{
  "manageEntity": {
    "action": "Update",
    "entityId": "54801",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraauzghs6v6ldmctwccn2vcf7ymnvcpev2if7ruuy3dyfspsynmtwa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1795117483}]}}}",
    "nonce": "0xddc768f4e99b0660cafc52af53548b29977de32dc29203242d8b76d85b733162",
    "signature": "0x744172637fe9fb24e88c8388c1c75a2075d0d1b207773390dd2f546a6542dfb8211f76b806cc39c23927b4036e32462bd6533949f5a5e14341b5ffc9292fe8c31b",
    "signer": "0x71a9d44195F54262966C93848a0e91d8DB53D7Bf",
    "userId": "54801"
  }
}