{
  "manageEntity": {
    "action": "Update",
    "entityId": "262211358",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5a5ea1bcae71db585815ab96b7132bd542f84162cf5bd8432e85011c18543b76",
    "signature": "0x62986fbb65fa33d408ebda3a2083db64d56fbbc0fa8db38df453358888d17519425aed7d98797097c638fcd852a13008ad737d505b1e042897df15cd78c705931b",
    "signer": "0x77c86D1dEAB8450953b214a1726a1C454fb3143A",
    "userId": "262211358"
  }
}