{
  "manageEntity": {
    "action": "Update",
    "entityId": "696978255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe213d49d8be1386cb0886342b8026dda0b9a5758e483b02c68b33dcb61f7accd",
    "signature": "0x89b7aa57c5197fc5fe19d5e2da68dcc4bfef8889dc1b9664a8be2e9b724376f32885cec3fa452a446053da6b91efba922bda42fa4bdb953b932d0f34261b63c11b",
    "signer": "0x60495664C60cF8427e991465f31ABe2F9dC345A5",
    "userId": "696978255"
  }
}