{
  "manageEntity": {
    "action": "Update",
    "entityId": "61558552",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3fad5ef75b136c44ecf987629bfcaf453bdbf16b8e58b8c38dc0546c2901041b",
    "signature": "0x649573c26192b646ee8dba36af88b996685905d12d0f25cacd96219b1e41249f4f107267ab6232091cdb962308a8651dbc0ba3cddde40885bba0ac35c35e247f1c",
    "signer": "0x61AC83c88663678EFA3C3a381aAc1A9F1aBD7B29",
    "userId": "61558552"
  }
}