{
  "manageEntity": {
    "action": "Update",
    "entityId": "285455852",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xebe1d329a3ff0e37042be77d5f8bf357ee9ac8f06db5b53ba23048dca0a4791a",
    "signature": "0xfe37f559e068a0a0a5f5981a065c6955f4d0fa1cf34e1039f190db41b11c4c9f51e6c4ca67810791f84488c41f2df5f6ec0698a51c5bebf87b8938bf1974bbc61b",
    "signer": "0x6Ba188D49D203B030fF88Fa296CbAf5468Bf593E",
    "userId": "285455852"
  }
}