{
  "manageEntity": {
    "action": "Update",
    "entityId": "483645038",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa7b43310160cdaab9ecc666e4392924b4c1c7352a54bb417c67e878079596ff6",
    "signature": "0xb64efc2b15dfc710d18bcd276a9c6ccadc2611ee28d4441294a09232a29f092030ac99bbf92f68d3a601c6ad92c632ea3a1da7686d2dc9b7ac4e3e4163962c4c1b",
    "signer": "0x94A59936BFC6a35bf6524468Ee59a4e474499522",
    "userId": "483645038"
  }
}