{
  "manageEntity": {
    "action": "Update",
    "entityId": "264951831",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6fc785325dd45a7d05d7fc17c1fe5bd6e82264131b43ea96072251fad958786f",
    "signature": "0x2af5b08757e0792df0b121d64b5004686e89cbfad44ae0238612a97e3e60975b66849f0366ea4906842b703bce3b693baa1bd0cdbb61dd48cd66cae53158ef841c",
    "signer": "0xE4b7Af91972437c8c74EF4d026c894BaC9ac5e10",
    "userId": "264951831"
  }
}