{
  "manageEntity": {
    "action": "Update",
    "entityId": "932015377",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdf0067d40b896b81b0d8bee00fa6126e4c49258a8102faef98717b0cc48217cf",
    "signature": "0x9cceb9b9899ac33cd1a3853174945014d4ba165e7d08079480d715b77e645f176bfdf7e769a5400e854d65869e102a2e61494cb9e2daa0cb89dff37ec3f1e93e1b",
    "signer": "0xaf6b85544207C43b699387ea1FE2985D5E826A23",
    "userId": "932015377"
  }
}