{
  "manageEntity": {
    "action": "Update",
    "entityId": "179469744",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradde6a7c44qsizttrvhniirldayryfojzjxyttrlvzqgijcbqpdtq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":375183545},{\"type\":\"playlist\",\"playlist_id\":1342971533},{\"type\":\"playlist\",\"playlist_id\":1298488852}]}}}",
    "nonce": "0xb133a1881cf50cc74967a453bc2eef9b44757c7eb3007fa6110fb8221f46dd64",
    "signature": "0x86562008fbc16c3906db15388fbba1547bcc6dad1d8817d62e7c6fc795e158f54aa4e76b849430eaa70f2beadda05efcdf136f235f989d42e8a872501d9aac0f1c",
    "signer": "0xd14A5CCF48f7bcDef7c2224fc03111185A2aa6B0",
    "userId": "179469744"
  }
}