{
  "manageEntity": {
    "action": "Update",
    "entityId": "983263985",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd35ee6de76979f3bfaefa3f74fc19451ccc2966c53dcf6f4066c70e60ed11de6",
    "signature": "0x70cd5f04d8c4f43bd93073a8d02a34ebfba0210cd75f67fe907425122a0b39907c64bf4facbc64e97693e23709bba2e2fa17b24631bb1e43bb3b31897e2c4e1f1b",
    "signer": "0x3Dd2956fCa8DED35ad018D6452b8a5e8eae6EfB0",
    "userId": "983263985"
  }
}