{
  "manageEntity": {
    "action": "Update",
    "entityId": "31995042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5e8aea9c6c0c56ca63e2774c9a0ffd5cfb06784075bf3a4a1ee0e1dd7785a643",
    "signature": "0x0eb6f7799a0c70dc1b1fbf59c18c4c2de2852272327d7cf20f2f5a7aaeb154a158dada7f53e0e9995f7829cb68ae97932febb21f9fbbe3368c7e03b8ef6e8f1a1c",
    "signer": "0x88a432697a1A41e33d09fBE952CCa5AD18978fba",
    "userId": "31995042"
  }
}