{
  "manageEntity": {
    "action": "Update",
    "entityId": "101819865",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x72e93f2f7a42ab5d54647cf952999dabccf0f068a9d4b13b921b0c3142bf1962",
    "signature": "0x0ed9084dda384b148bcd1208a7ebb60db7aea07fa4e56549cbe20e3188a05300273c8e0f5bec436c8057418a2d50e11b817ec284dc060696140c6625060b7a891b",
    "signer": "0x89d8eB915223b0368c688C2a51Ee2f5b1CdfC911",
    "userId": "101819865"
  }
}