{
  "manageEntity": {
    "action": "Update",
    "entityId": "694088484",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierap3ajzui3odkbxkvetf2ujkgvlbooc7gbvcc3e2p6i2nfmclu5u5a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":341624540}]}}}",
    "nonce": "0x890efe7512a2b664b99acdc9223418242d43e566a2559489581f04c8bc2dda86",
    "signature": "0xb4b8f024c57a3215c6b2f38c1fea576ff67d72e15cb31fd827651689c0910241066e4cd469ec0388bad9ad6fc73f55aa31e692ca80a74fe94e250e792e4fe2b51c",
    "signer": "0xDBdb14Fce254346e42D75edDBAb7C809a0116479",
    "userId": "694088484"
  }
}