{
  "manageEntity": {
    "action": "Update",
    "entityId": "707336791",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe0ea59bd685db12e154017f0a4e04d7b199c2c9eb76f01711adc334387243fdf",
    "signature": "0x25e19255b881a966d025fc7133c098a90e596c70cdc02850dae59db9a12648b969a7941ce7dca0d80f25c3f23bc7d27d95bd6dcd6fb7b660511939d206444fb51b",
    "signer": "0x0B0763FcC4675c606b3F641C2fDfc6EBA6e89F8F",
    "userId": "707336791"
  }
}