{
  "manageEntity": {
    "action": "Update",
    "entityId": "406716751",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xadd2a2f695398ada63079ca6f32316909de222ac3fd8ea26bf223ab06be66c13",
    "signature": "0xfa61346699c869b551fb3ed64feb47a051ea255508acd2163b0c4b7129a25a6f685be3b4287090792b585d842cac38599ad92d6c5c16c56716c66b6ab4790e361c",
    "signer": "0x31eba27Ca105bABB3B8590b9A71b07C6d1e7c747",
    "userId": "406716751"
  }
}