{
  "manageEntity": {
    "action": "Update",
    "entityId": "672346311",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramsiouucpdxnvdr7rzg4yohebgjg5yegn7heaje5c4mgqhnbiasnq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1967339553},{\"type\":\"playlist\",\"playlist_id\":800779254}]}}}",
    "nonce": "0x02abb0cc234a9db97f9a61158ba3c83f2bb9326e5dd25fd7c992a38da9cf60af",
    "signature": "0x2fa12c2b5b9fa03a48c3718d3c40a7551b9d92c5d44ec21aa67276e2af3138cc47374161bed1f2523722236c9f55f25cfedd4ad8f87e663d8be8d5b9b5dfa9cd1b",
    "signer": "0xCAb3bf0B5355c6df016b3136a348d69D6b870791",
    "userId": "672346311"
  }
}