{
  "manageEntity": {
    "action": "Update",
    "entityId": "793216745",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0731e1ae48951598dc7f9fd02afcef3f87d8fbda3c37bf93b25cdba488db8f55",
    "signature": "0x81e727a6e3728be20bfdfb0e038e366fb39f635c2e54884dfe803a4e00aed270052d58542c7f85e24107dffacc5a09c96e3a69d3b983daa571cc5962f44085c51c",
    "signer": "0x3A0c2D4B960b98CBb328DfC55610EBdCed1437E1",
    "userId": "793216745"
  }
}