{
  "manageEntity": {
    "action": "Update",
    "entityId": "246884598",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x98471b7462113166517da1ce1af25714b74def66c3e9dcb0615dec9f77da40b9",
    "signature": "0x0b3ecd1086b85a4a4b9be955f574968877386b85b538ff8b81b7de5f253549d73903506285fabcda1e36865d0c49fec7aed2bf68d12a7d59ca3974752ea265091b",
    "signer": "0xac1bbC4a7f3145F59532C9E32928845B71c3FB63",
    "userId": "246884598"
  }
}