{
  "manageEntity": {
    "action": "Update",
    "entityId": "935959282",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierap7mwdgk7me4k5sglq77ls37uumokftvixb7tt5u5ofbwyjqlzckq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":417685641}]}}}",
    "nonce": "0x234fb98903243f476c285419e25d3add5d4a53c2184919a17bf82969df768962",
    "signature": "0x151c3c89670dc4ed3e4b920297b8b29a0e3e99318141d9423bf5fb49d47d90d57ae2a49d9ce8587b296688736856ce8c6b0584ba73ec8ad8867bf1a14526d77a1c",
    "signer": "0x9FeC2B9C826d23C9cD13d34D23dEd8E681eD5AC1",
    "userId": "935959282"
  }
}