{
  "manageEntity": {
    "action": "Update",
    "entityId": "127298567",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x63ac9b1ff6b5080fb3c5d8996b350fe9d6b6d940de05d1eaf5e53e49fb32eb86",
    "signature": "0xa7f69458337f98bd0b66deb6b14eb0d4562ebbea26f92fc92e7f46f322885f213f52d7064245b13b8df187df0e1a2be2648a87deb6ea2ec9ac364a89fbc876621c",
    "signer": "0x85C61746e3d6E33918b26187EC2B88F83fC4D051",
    "userId": "127298567"
  }
}