{
  "manageEntity": {
    "action": "Update",
    "entityId": "736269559",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf93294e288a635ea71461426eb5b197ec9590f84cb23ede6b4932ad3fb7f2a0b",
    "signature": "0x70084da3d076f002188e885952035509dc499e259f96f6ddd1a4a9cf391f278d4bab48c236288ed80787e00a5b576d9de80cfcede8bc77a150247ad2be35d0841b",
    "signer": "0x3d58a8f23F962F323e5ceB7dfF76c2FeaDDCF461",
    "userId": "736269559"
  }
}