{
"manageEntity": {
"action": "Update",
"entityId": "868184842",
"entityType": "User",
"metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
"nonce": "0x623226a489453486e8987424256d7e582865d8e83a1e28cb18bd7c10b4e579e1",
"signature": "0x591696dd20e2bb213767f6f046b0f7c0e99d7117b267bc9625ca21c57ad6b8ee5916d88efd77f777ac84a0e297fdeaa7533a3686ad94b847a28a090aa74e93011b",
"signer": "0xE051895e2d314484565DD51623d3EBDcEB19556C",
"userId": "868184842"
}
}