{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9f327a8dbe534dd35f9fe63ff193eb083b69329e67a74d3754cf508096e45633",
    "signature": "0xa36430fc7e076e8beccbb58f9c2752c9da4e07b6483f0600c70dd038f2f4955b0a37ba6c35d21ceba1d1d282dfa0b76456b5c8fd2cf1b7e16ff42ff8c0e0384a1b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}