{
  "manageEntity": {
    "action": "Update",
    "entityId": "241626137",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x912ca25c7b8e0866a4f850c8c7fbd16e534e56aa65e16bacd853c04ac33cd302",
    "signature": "0x85096b957418b357a5341dfda2343ab9e6fdab03d17b84e1b15e8f02a49aa1304100c816bc44f9fb0b702a200865392e4e3f81e65f7a85adba890f2da4e960931b",
    "signer": "0x52CC2c6e01D28cCD14f1F9D109CB94c87a5f790a",
    "userId": "241626137"
  }
}