{
  "manageEntity": {
    "action": "Update",
    "entityId": "36359702",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xac562086c65fe5f99646030e2bfeadd475dbce2bd2b32a36897173137482ddbb",
    "signature": "0xc66913545e674a5208843cb1e00479884c754c60cddc03f1a2b743ac6e89f25c1875552a58423cf82a24451a8813bfdf3462b4ff18c5c468a5697234a7b65b8c1b",
    "signer": "0x3AeD7e119d14B0BA01d38E449739bcdc1F60A66D",
    "userId": "36359702"
  }
}