{
  "manageEntity": {
    "action": "Update",
    "entityId": "806547662",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0481ee5884ab7ffff4a8d29d5401120a2a8b38041718b4ff49f178a58ff97e10",
    "signature": "0x2621953be983682faad92506da98523b4381023985341e26109fe4b1cc90dced673e1cf413c7fa052ab27ce0cbcbaa7f79fb2ff7eea8ee69dc1afd6f0c30334f1c",
    "signer": "0x4dD8f87Fb57e57661Fc7F115acb4a0235f415ABA",
    "userId": "806547662"
  }
}