{
  "manageEntity": {
    "action": "Update",
    "entityId": "366953361",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0733b8d5a38a2ff6d6577b0fe171dab3ae9371da3466c10276d560c0222c7f41",
    "signature": "0x5b25d95f02fa4bcbc1bea11ad0405badf1fafc74f4b59549812d1940576579be2d5e6dfa22a0f1739ca92753e82f8cd63d3ba74fad3669d3e0fadf4a7fa204711b",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}