{
  "manageEntity": {
    "action": "Update",
    "entityId": "471032236",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x145b4e2564f7f1cd2224593eca965d41c00e935bc04cfff2bf69858580a5308f",
    "signature": "0xd08efd4301cd2053dd1141d6cebc87b5853e87d450aea1dde22069132a8e66120996bf86770011894e72b277c8c9974d5cc8e187171580d0a76955304846a7bb1b",
    "signer": "0xF7e8fd3CAEb72CD472029aDE74c13Ae86a0ED181",
    "userId": "471032236"
  }
}