{
  "manageEntity": {
    "action": "Update",
    "entityId": "984405849",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8376dfe39a1397c611c6c0afb2ba83984ab35f45873f750fdeb7b69bef34d0a3",
    "signature": "0x9422c6a0ad13bc190d5661a49461485ea78ebd9b63039e28b3e92d42283031597164af60c4b05f26e42dc380006894c63e190be75cb209c9fa8065c6095b28671b",
    "signer": "0xbe56FD80953Efe45dE652BbEC4d4cF9Ec08C3D73",
    "userId": "984405849"
  }
}